{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{4}{c}}
\toprule
                    &\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}&\multicolumn{1}{c}{(3)}&\multicolumn{1}{c}{(4)}\\
                    &\multicolumn{1}{c}{Job Orders}&\multicolumn{1}{c}{Migrants}&\multicolumn{1}{c}{Domestic Share}&\multicolumn{1}{c}{Pre-Complaints}\\
\midrule
Conventional        &       1.088*  &       9.951   &      -0.045   &       0.307   \\
                    &     (0.606)   &    (13.637)   &     (0.141)   &     (0.406)   \\
\addlinespace
Bias-corrected      &       1.257** &      13.705   &      -0.054   &       0.522   \\
                    &     (0.606)   &    (13.637)   &     (0.141)   &     (0.406)   \\
\addlinespace
Robust              &       1.257*  &      13.705   &      -0.054   &       0.522   \\
                    &     (0.655)   &    (15.067)   &     (0.157)   &     (0.488)   \\
\midrule
N                   &       20714   &       28060   &       28058   &       28060   \\
Depvar. Mean        &        1.50   &       25.43   &        0.25   &        0.56   \\
\bottomrule
\end{tabular}
}
